Recognised as Colour

#CEFF59

#CEFF59
Green
Light
Nearest: Green yellow

#CEFF59 is a green with RGB values 206, 255, 89 and HSL 78°, 100%, 67%. It is a light colour, so black text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#CEFF59#CEFF59

HEX#CEFF59

RGBrgb(206, 255, 89)

RGB (0–1)0.8078, 1, 0.349

RGB percentages80.8%, 100%, 34.9%

HSLhsl(77.7, 100%, 67.5%)

HSV / HSBhsv(77.7, 65.1%, 100%)

CMYK19.2%, 0%, 65.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,565,785

CSS custom property--colour: #CEFF59;

Brightness & contrast

Relative luminance0.85363WCAG 2.x, 0 is black and 1 is white

Perceived brightness227.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.07:1

Contrast with white1.16:1WCAG normal text: Fail

Contrast with black18.07:1WCAG normal text: AAA

Greyscale equivalent#E9E9E9

Inverted#3100A6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEF42no red cones; affects about 1% of men; ΔE 27.1 from the original

Deuteranopia#FFED66no green cones; the most common form, about 1% of men; ΔE 29.2 from the original

Tritanopia#D7F3DDno blue cones; rare, and affects men and women equally; ΔE 68.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.16:1WCAG large text: Fail

Contrast with black, large text18.07:1WCAG large text: AAA

Named colours

Green yellow · ΔE 17.8 Yellow green · ΔE 18.1 Yellow · ΔE 28.8 Lawn green · ΔE 33 Chartreuse · ΔE 33.3 Pale green · ΔE 34.4

Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 17.8, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#8A59FF

Analogous#FFDD59, #7BFF59

Triadic#59CEFF, #FF59CE

Split complementary#597BFF, #DD59FF

Tetradic#59FFDD, #8A59FF, #FF597B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FBFFF2

Lighter +20%#ECFFBF

Lighter +10%#DDFF8C

Darker −10%#BFFF26

Darker −20%#ABF200

Darker −30%#87BF00

Darker −40%#638C00

More saturated +25%#CEFF59

Less saturated −25%#C6EA6E

Channel breakdown

R206

G255

B89

Red206 (80.8%)

Green255 (100%)

Blue89 (34.9%)

Hue77.71°

Saturation (HSL)100%

Lightness67.45%

Dominant channelGreen

Hex per channelR CE · G FF · B 59

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CeFF59 (chemical formula)

Formula
1,280 g/mol
61 atoms

CeFF59 has a molar mass of 1,280 g/mol, made up of 61 atoms across 2 elements: 1 × Ce, 60 × F.

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Molar mass

Molar mass1,280 g/mol

Total atoms per molecule61

Distinct elements2

Mass of one molecule2.12549 × 10^-21 g

Molecules per gram4.7047975 × 10^20

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

Ce10.9%

F89.1%

Cerium (Ce)140.12 g/mol, 10.947%

Fluorine (F × 60)1,139.88 g/mol, 89.053%

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